Click the Exhibit button to examine the data of the EMPLOYEES table. Evaluate this SQL sta

e the SQL statement:SELECT *FROM ordersWHERE cust_id = (SELECT cust_idFROM customersWHERE cust_name = ‘Smith‘);What is the result when the query is executed？（）

A.A

B.B

C.C

D.D

E.E

e this SQL statement:SELECT cust_id, ord_totalFROM ordersWHERE ord_total > ANY(SELECT ord_totalFROM ordersWHERE cust_id IN (SELECT cust_idFROM customers WHERE city LIKE‘New York‘));What is the result when the above query is executed？（）

A.A

B.B

C.C

D.D

E.E

to display data. You build your Web Forms for the Web application by dragging and dropping tables from the Data Connections tree in Server Explorer. You need to add a connection to your data by using the Add Connection dialog box as shown in the exhibit. During the process, you need to configure the .NET Data Provider that you use to create the data source objects. What should you do？（）

A. Right-click the connection, and click Properties. Modify the Provider property of the data connection.

B. Click the Change button, and change the data provider for the selected data source.

C. Click the Advanced button, and change the Data Source property to the target provider.

D. Click the Advanced button, and change the Application Name property to the target provider.

SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true？（）

A.The SELECT statement is syntactically accurate.

B.The SELECT statement does not work because there is no HAVING clause.

C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.

D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.

e, EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID. The JOB_ID column is a NOT NULL column.Evaluate this DELETE statement:DELETE employee_id, salary, job_idFROM employeesWHERE dept_id = 90;Why does the DELETE statement fail when you execute it？（）

A.There is no row with dept_id 90 in the EMPLOYEES table.

B.You cannot delete the JOB_ID column because it is a NOT NULL column.

C.You cannot specify column names in the DELETE clause of the DELETE statement.

D.You cannot delete the EMPLOYEE_ID column because it is the primary key of the table.

A．120M

B．320M

C．480M

D．600M

ws the monthly commission earned by the employee.Which three tasks would require subqueries or joins in order to be performed in a single step？（）

A.deleting the records of employees who do not earn commission

B.increasing the commission of employee 3 by the average commission earned in department 20

C.finding the number of employees who do NOT earn commission and are working for department 20

D.inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3

E.creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSION of the EMP table

F.decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more than 800

ws the monthly commission earned by the employee.Which two tasks would require subqueries or joins in order to be performed in a single step？ （）

A.listing the employees who earn the same amount of commission as employee 3

B.finding the total commission earned by the employees in department 10

C.finding the number of employees who earn a commission that is higher than the average commission of the company

D.listing the departments whose average commission is more than 600

E.listing the employees who do not earn commission and who are working for department 20 in descending order of the employee ID

F.listing the employees whose annual commission is more than 6000

QL statement retrieves the order ID, customer ID, and order total for the orders that are placed on the same day that Martin placed his orders？（）

A.SELECT ord_id, cust_id, ord_total FROM orders, customers WHERE cust_name=‘Martin‘ AND ord_date IN (‘18-JUL-2000‘,‘21-JUL-2000‘);

B.SELECT ord_id, cust_id, ord_total FROM orders WHERE ord_date IN (SELECT ord_date FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE cust_name = ‘Martin‘));

C.SELECT ord_id, cust_id, ord_total FROM orders WHERE ord_date IN (SELECT ord_date FROM orders, customers WHERE cust_name = ‘Martin‘);

D.SELECT ord_id, cust_id, ord_total FROMorders WHERE cust_id IN (SELECT cust_id FROM customers WHERE cust_name = ‘Martin‘);